Hem Dutt Dabral / BLE_BlueNRG_fork

Added support for obtaining BLE device name by parsing advertising data.

Fork of BLE_BlueNRG by Mridupawan Das

BlueNRGGap.cpp@4:fa5b5693c1b5, 2014-07-22 (annotated)

Committer:
mridup
Date:
Tue Jul 22 09:20:20 2014 +0000
Revision:
4:fa5b5693c1b5
Parent:
3:9c4c13795643
Child:
5:31dedfa19a12
Event Handling (Connection, disconnection) and debug support, SetAddress support.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mridup 2:a2b623661316 1 /* mbed Microcontroller Library
mridup 2:a2b623661316 2 * Copyright (c) 2006-2013 ARM Limited
mridup 2:a2b623661316 3 *
mridup 2:a2b623661316 4 * Licensed under the Apache License, Version 2.0 (the "License");
mridup 2:a2b623661316 5 * you may not use this file except in compliance with the License.
mridup 2:a2b623661316 6 * You may obtain a copy of the License at
mridup 2:a2b623661316 7 *
mridup 2:a2b623661316 8 * http://www.apache.org/licenses/LICENSE-2.0
mridup 2:a2b623661316 9 *
mridup 2:a2b623661316 10 * Unless required by applicable law or agreed to in writing, software
mridup 2:a2b623661316 11 * distributed under the License is distributed on an "AS IS" BASIS,
mridup 2:a2b623661316 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mridup 2:a2b623661316 13 * See the License for the specific language governing permissions and
mridup 2:a2b623661316 14 * limitations under the License.
mridup 2:a2b623661316 15 */
mridup 2:a2b623661316 16
mridup 2:a2b623661316 17 #include "BlueNRGDevice.h"
mridup 2:a2b623661316 18 #include "mbed.h"
mridup 2:a2b623661316 19
mridup 3:9c4c13795643 20 //Local Variables
mridup 3:9c4c13795643 21 const uint8_t *device_name;
mridup 2:a2b623661316 22
mridup 2:a2b623661316 23 /**************************************************************************/
mridup 2:a2b623661316 24 /*!
mridup 2:a2b623661316 25 @brief Sets the advertising parameters and payload for the device
mridup 2:a2b623661316 26
mridup 2:a2b623661316 27 @param[in] params
mridup 2:a2b623661316 28 Basic advertising details, including the advertising
mridup 2:a2b623661316 29 delay, timeout and how the device should be advertised
mridup 2:a2b623661316 30 @params[in] advData
mridup 2:a2b623661316 31 The primary advertising data payload
mridup 2:a2b623661316 32 @params[in] scanResponse
mridup 2:a2b623661316 33 The optional Scan Response payload if the advertising
mridup 2:a2b623661316 34 type is set to \ref GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED
mridup 2:a2b623661316 35 in \ref GapAdveritinngParams
mridup 2:a2b623661316 36
mridup 2:a2b623661316 37 @returns \ref ble_error_t
mridup 2:a2b623661316 38
mridup 2:a2b623661316 39 @retval BLE_ERROR_NONE
mridup 2:a2b623661316 40 Everything executed properly
mridup 2:a2b623661316 41
mridup 2:a2b623661316 42 @retval BLE_ERROR_BUFFER_OVERFLOW
mridup 2:a2b623661316 43 The proposed action would cause a buffer overflow. All
mridup 2:a2b623661316 44 advertising payloads must be <= 31 bytes, for example.
mridup 2:a2b623661316 45
mridup 2:a2b623661316 46 @retval BLE_ERROR_NOT_IMPLEMENTED
mridup 2:a2b623661316 47 A feature was requested that is not yet supported in the
mridup 2:a2b623661316 48 nRF51 firmware or hardware.
mridup 2:a2b623661316 49
mridup 2:a2b623661316 50 @retval BLE_ERROR_PARAM_OUT_OF_RANGE
mridup 2:a2b623661316 51 One of the proposed values is outside the valid range.
mridup 2:a2b623661316 52
mridup 2:a2b623661316 53 @section EXAMPLE
mridup 2:a2b623661316 54
mridup 2:a2b623661316 55 @code
mridup 2:a2b623661316 56
mridup 2:a2b623661316 57 @endcode
mridup 2:a2b623661316 58 */
mridup 2:a2b623661316 59 /**************************************************************************/
mridup 2:a2b623661316 60 ble_error_t BlueNRGGap::setAdvertisingData(const GapAdvertisingData &advData, const GapAdvertisingData &scanResponse)
mridup 2:a2b623661316 61 {
mridup 2:a2b623661316 62 /* Make sure we don't exceed the advertising payload length */
mridup 2:a2b623661316 63 if (advData.getPayloadLen() > GAP_ADVERTISING_DATA_MAX_PAYLOAD) {
mridup 2:a2b623661316 64 return BLE_ERROR_BUFFER_OVERFLOW;
mridup 2:a2b623661316 65 }
mridup 2:a2b623661316 66
mridup 2:a2b623661316 67 /* Make sure we have a payload! */
mridup 2:a2b623661316 68 if (advData.getPayloadLen() == 0) {
mridup 2:a2b623661316 69 return BLE_ERROR_PARAM_OUT_OF_RANGE;
mridup 2:a2b623661316 70 }
mridup 2:a2b623661316 71
mridup 3:9c4c13795643 72 //set the advData here in some local variable so that startAdvertising can use it.
mridup 3:9c4c13795643 73 if (advData.getPayloadLen() > 0) {
mridup 3:9c4c13795643 74 const uint8_t *payload = advData.getPayload();
mridup 3:9c4c13795643 75 device_name = advData.getPayload();
mridup 3:9c4c13795643 76 }
mridup 3:9c4c13795643 77
mridup 3:9c4c13795643 78
mridup 2:a2b623661316 79 return BLE_ERROR_NONE;
mridup 2:a2b623661316 80 }
mridup 2:a2b623661316 81
mridup 2:a2b623661316 82 /**************************************************************************/
mridup 2:a2b623661316 83 /*!
mridup 2:a2b623661316 84 @brief Starts the BLE HW, initialising any services that were
mridup 2:a2b623661316 85 added before this function was called.
mridup 2:a2b623661316 86
mridup 2:a2b623661316 87 @note All services must be added before calling this function!
mridup 2:a2b623661316 88
mridup 2:a2b623661316 89 @returns ble_error_t
mridup 2:a2b623661316 90
mridup 2:a2b623661316 91 @retval BLE_ERROR_NONE
mridup 2:a2b623661316 92 Everything executed properly
mridup 2:a2b623661316 93
mridup 2:a2b623661316 94 @section EXAMPLE
mridup 2:a2b623661316 95
mridup 2:a2b623661316 96 @code
mridup 2:a2b623661316 97
mridup 2:a2b623661316 98 @endcode
mridup 2:a2b623661316 99 */
mridup 2:a2b623661316 100 /**************************************************************************/
mridup 2:a2b623661316 101 ble_error_t BlueNRGGap::startAdvertising(const GapAdvertisingParams &params)
mridup 2:a2b623661316 102 {
mridup 2:a2b623661316 103 /* Make sure we support the advertising type */
mridup 2:a2b623661316 104 if (params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) {
mridup 2:a2b623661316 105 /* ToDo: This requires a propery security implementation, etc. */
mridup 2:a2b623661316 106 return BLE_ERROR_NOT_IMPLEMENTED;
mridup 2:a2b623661316 107 }
mridup 2:a2b623661316 108
mridup 2:a2b623661316 109 /* Check interval range */
mridup 2:a2b623661316 110 if (params.getAdvertisingType() == GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED) {
mridup 2:a2b623661316 111 /* Min delay is slightly longer for unconnectable devices */
mridup 2:a2b623661316 112 if ((params.getInterval() < GAP_ADV_PARAMS_INTERVAL_MIN_NONCON) ||
mridup 2:a2b623661316 113 (params.getInterval() > GAP_ADV_PARAMS_INTERVAL_MAX)) {
mridup 2:a2b623661316 114 return BLE_ERROR_PARAM_OUT_OF_RANGE;
mridup 2:a2b623661316 115 }
mridup 2:a2b623661316 116 } else {
mridup 2:a2b623661316 117 if ((params.getInterval() < GAP_ADV_PARAMS_INTERVAL_MIN) ||
mridup 2:a2b623661316 118 (params.getInterval() > GAP_ADV_PARAMS_INTERVAL_MAX)) {
mridup 2:a2b623661316 119 return BLE_ERROR_PARAM_OUT_OF_RANGE;
mridup 2:a2b623661316 120 }
mridup 2:a2b623661316 121 }
mridup 2:a2b623661316 122
mridup 2:a2b623661316 123 /* Check timeout is zero for Connectable Directed */
mridup 2:a2b623661316 124 if ((params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) && (params.getTimeout() != 0)) {
mridup 2:a2b623661316 125 /* Timeout must be 0 with this type, although we'll never get here */
mridup 2:a2b623661316 126 /* since this isn't implemented yet anyway */
mridup 2:a2b623661316 127 return BLE_ERROR_PARAM_OUT_OF_RANGE;
mridup 2:a2b623661316 128 }
mridup 2:a2b623661316 129
mridup 2:a2b623661316 130 /* Check timeout for other advertising types */
mridup 2:a2b623661316 131 if ((params.getAdvertisingType() != GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) &&
mridup 2:a2b623661316 132 (params.getTimeout() > GAP_ADV_PARAMS_TIMEOUT_MAX)) {
mridup 2:a2b623661316 133 return BLE_ERROR_PARAM_OUT_OF_RANGE;
mridup 2:a2b623661316 134 }
mridup 2:a2b623661316 135
mridup 2:a2b623661316 136 tBleStatus ret;
mridup 2:a2b623661316 137
mridup 3:9c4c13795643 138 //const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,'B','l','u','e','N','R','G'};
mridup 3:9c4c13795643 139 const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,device_name[5],device_name[6],device_name[7],device_name[8], device_name[9],
mridup 4:fa5b5693c1b5 140 device_name[10], device_name[11], device_name[12], device_name[13], device_name[14]};
mridup 2:a2b623661316 141
mridup 2:a2b623661316 142 /* disable scan response */
mridup 2:a2b623661316 143 hci_le_set_scan_resp_data(0,NULL);
mridup 2:a2b623661316 144
mridup 2:a2b623661316 145 /*aci_gap_set_discoverable(Advertising_Event_Type, Adv_min_intvl, Adv_Max_Intvl, Addr_Type, Adv_Filter_Policy,
mridup 2:a2b623661316 146 Local_Name_Length, local_name, service_uuid_length, service_uuid_list, Slave_conn_intvl_min, Slave_conn_intvl_max);*/
mridup 2:a2b623661316 147 /*LINK_LAYER.H DESCRIBES THE ADVERTISING TYPES*/
mridup 2:a2b623661316 148
mridup 2:a2b623661316 149 ret = aci_gap_set_discoverable(params.getAdvertisingType(), params.getInterval(), 0, PUBLIC_ADDR, NO_WHITE_LIST_USE,
mridup 4:fa5b5693c1b5 150 11 /*Length of the local_name[] array*/, local_name, 0, NULL, 0, 0);
mridup 4:fa5b5693c1b5 151 state.advertising = 1;
mridup 2:a2b623661316 152
mridup 2:a2b623661316 153 return BLE_ERROR_NONE;
mridup 2:a2b623661316 154 }
mridup 2:a2b623661316 155
mridup 2:a2b623661316 156 /**************************************************************************/
mridup 2:a2b623661316 157 /*!
mridup 2:a2b623661316 158 @brief Stops the BLE HW and disconnects from any devices
mridup 2:a2b623661316 159
mridup 2:a2b623661316 160 @returns ble_error_t
mridup 2:a2b623661316 161
mridup 2:a2b623661316 162 @retval BLE_ERROR_NONE
mridup 2:a2b623661316 163 Everything executed properly
mridup 2:a2b623661316 164
mridup 2:a2b623661316 165 @section EXAMPLE
mridup 2:a2b623661316 166
mridup 2:a2b623661316 167 @code
mridup 2:a2b623661316 168
mridup 2:a2b623661316 169 @endcode
mridup 2:a2b623661316 170 */
mridup 2:a2b623661316 171 /**************************************************************************/
mridup 2:a2b623661316 172 ble_error_t BlueNRGGap::stopAdvertising(void)
mridup 2:a2b623661316 173 {
mridup 2:a2b623661316 174
mridup 2:a2b623661316 175
mridup 2:a2b623661316 176 return BLE_ERROR_NONE;
mridup 2:a2b623661316 177 }
mridup 2:a2b623661316 178
mridup 2:a2b623661316 179 /**************************************************************************/
mridup 2:a2b623661316 180 /*!
mridup 2:a2b623661316 181 @brief Disconnects if we are connected to a central device
mridup 2:a2b623661316 182
mridup 2:a2b623661316 183 @returns ble_error_t
mridup 2:a2b623661316 184
mridup 2:a2b623661316 185 @retval BLE_ERROR_NONE
mridup 2:a2b623661316 186 Everything executed properly
mridup 2:a2b623661316 187
mridup 2:a2b623661316 188 @section EXAMPLE
mridup 2:a2b623661316 189
mridup 2:a2b623661316 190 @code
mridup 2:a2b623661316 191
mridup 2:a2b623661316 192 @endcode
mridup 2:a2b623661316 193 */
mridup 2:a2b623661316 194 /**************************************************************************/
mridup 2:a2b623661316 195 ble_error_t BlueNRGGap::disconnect(void)
mridup 2:a2b623661316 196 {
mridup 2:a2b623661316 197
mridup 2:a2b623661316 198 return BLE_ERROR_NONE;
mridup 2:a2b623661316 199 }
mridup 2:a2b623661316 200
mridup 2:a2b623661316 201 /**************************************************************************/
mridup 2:a2b623661316 202 /*!
mridup 2:a2b623661316 203 @brief Sets the 16-bit connection handle
mridup 2:a2b623661316 204 */
mridup 2:a2b623661316 205 /**************************************************************************/
mridup 2:a2b623661316 206 void BlueNRGGap::setConnectionHandle(uint16_t con_handle)
mridup 2:a2b623661316 207 {
mridup 2:a2b623661316 208 m_connectionHandle = con_handle;
mridup 2:a2b623661316 209 }
mridup 2:a2b623661316 210
mridup 2:a2b623661316 211 /**************************************************************************/
mridup 2:a2b623661316 212 /*!
mridup 2:a2b623661316 213 @brief Gets the 16-bit connection handle
mridup 2:a2b623661316 214 */
mridup 2:a2b623661316 215 /**************************************************************************/
mridup 2:a2b623661316 216 uint16_t BlueNRGGap::getConnectionHandle(void)
mridup 2:a2b623661316 217 {
mridup 2:a2b623661316 218 return m_connectionHandle;
mridup 2:a2b623661316 219 }
mridup 2:a2b623661316 220
mridup 2:a2b623661316 221 /**************************************************************************/
mridup 2:a2b623661316 222 /*!
mridup 2:a2b623661316 223 @brief Sets the BLE device address
mridup 2:a2b623661316 224
mridup 2:a2b623661316 225 @returns ble_error_t
mridup 2:a2b623661316 226
mridup 2:a2b623661316 227 @section EXAMPLE
mridup 2:a2b623661316 228
mridup 2:a2b623661316 229 @code
mridup 2:a2b623661316 230
mridup 2:a2b623661316 231 uint8_t device_address[6] = { 0xca, 0xfe, 0xf0, 0xf0, 0xf0, 0xf0 };
mridup 2:a2b623661316 232 nrf.getGap().setAddress(Gap::ADDR_TYPE_RANDOM_STATIC, device_address);
mridup 2:a2b623661316 233
mridup 2:a2b623661316 234 @endcode
mridup 2:a2b623661316 235 */
mridup 2:a2b623661316 236 /**************************************************************************/
mridup 2:a2b623661316 237 ble_error_t BlueNRGGap::setAddress(addr_type_t type, const uint8_t address[6])
mridup 2:a2b623661316 238 {
mridup 4:fa5b5693c1b5 239 tBleStatus ret;
mridup 4:fa5b5693c1b5 240
mridup 2:a2b623661316 241 if (type > ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE) {
mridup 2:a2b623661316 242 return BLE_ERROR_PARAM_OUT_OF_RANGE;
mridup 2:a2b623661316 243 }
mridup 4:fa5b5693c1b5 244
mridup 4:fa5b5693c1b5 245 ret = aci_hal_write_config_data(CONFIG_DATA_PUBADDR_OFFSET, CONFIG_DATA_PUBADDR_LEN, (const tHalUint8*)address);
mridup 4:fa5b5693c1b5 246
mridup 4:fa5b5693c1b5 247 //if (ret==BLE_STATUS_SUCCESS)
mridup 2:a2b623661316 248 return BLE_ERROR_NONE;
mridup 4:fa5b5693c1b5 249
mridup 4:fa5b5693c1b5 250 //return BLE_ERROR_PARAM_OUT_OF_RANGE;
mridup 2:a2b623661316 251 }